Moderate: virt:rhel and virt-devel:rhel security and bug fix update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

RLSA-2021:3061 Moderate: virt:rhel and virt-devel:rhel security and bug fix update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:Rocky Linux module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting wi...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

hw: vt-d related privilege escalation

A flaw was found in Intel® VT-d products. Entries from the context cache on some types of context cache invalidations may not be properly invalidated which may allow an authenticated user to potentially enable escalation of privilege via local access. The highest threat from this vulnerability is...

hw: vt-d related privilege escalation

A flaw was found in Intel® VT-d products. Entries from the context cache on some types of context cache invalidations may not be properly invalidated which may allow an authenticated user to potentially enable escalation of privilege via local access. The highest threat from this vulnerability is...

CVE-2021-29765

IBM PowerVM Hypervisor FW940 and FW950 could allow an attacker to obtain sensitive information if they gain service access to the FSP. IBM X-Force ID: 202476...

IBM PowerVM Hypervisor 授权问题漏洞

IBM PowerVM Hypervisor is an application from Universal Business Machines IBM, Inc. provides a secure and scalable virtualized environment for applications built on the advanced RAS features and leading performance of the Power Systems platform. An authorization issue vulnerability exists in IBM...

Moderate: Red Hat Security Advisory: OpenShift Virtualization 4.8.0 Images

Red Hat OpenShift Virtualization release 4.8.0 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which give...

IBM Power System 安全漏洞

IBM Power System is a Power processor-based server computer from IBM in the United States. A security vulnerability exists in the IBM Power System that could compromise the PowerVM Logical Partition Migration LPM encryption key exchange protocol. If an attacker could exploit the vulnerability to ...

AZL-6579 CVE-2021-37576 affecting package kernel for versions less than 5.10.78.1-1

arch/powerpc/kvm/book3srtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtasargs.nargs, aka CID-f62f3c20647e...

CVE-2021-37576

arch/powerpc/kvm/book3srtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtasargs.nargs, aka CID-f62f3c20647e...

AZL-6554 CVE-2021-29657 affecting package kernel for versions less than 5.10.78.1-1

arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12 double fetch in...

DEBIAN-CVE-2021-29657

arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12 double fetch in...

Low: Red Hat Security Advisory: RHV Engine and Host Common Packages security update [ovirt-4.4.7]

Updated dependency packages for ovirt-engine and ovirt-host that fix several bugs and add various enhancements are now available. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...

Moderate: Red Hat Security Advisory: RHV Manager (ovirt-engine) security update [ovirt-4.4.7]

Updated ovirt-engine packages that fix several bugs and add various enhancements are now available. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

Important: Red Hat Security Advisory: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.7]

An update for imgbased, redhat-release-virtualization-host, and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...

Oracle VM VirtualBox Unauthorized Access Vulnerability (CNVD-2021-54712)

Oracle VM VirtualBox is a cross-platform virtualization software for x86 systems. A security vulnerability exists in the Core component of Oracle VM VirtualBox versions prior to 6.1.24. An attacker could use this vulnerability to gain unauthorized read access to a portion of the product-accessibl...

RHEL 8 : Red Hat Virtualization Host security update [ovirt-4.4.7] (Important) (RHSA-2021:2736)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2736 advisory. The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host,...

Oracle VM VirtualBox (July 2021 CPU)

The version of Virtualbox installed on the remote host is prior to 6.1.24. It is, therefore, affected by multiple vulnerabilities as referenced in the July 2021 CPU advisory: - Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that i...

RHEL 7 : RHV-H security update (redhat-virtualization-host) 4.3.17 (Important) (RHSA-2021:2737)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2737 advisory. The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host...